// components/Loading.jsx
const Loading = () => {
  return (
    <div style={{ 
      display: 'flex', 
      justifyContent: 'center', 
      alignItems: 'center', 
      height: '300px' 
    }}>
      {/* 可以是文字、 spinner 动画、骨架屏等 */}
      <div>加载中...</div>
    </div>
  );
};

export default Loading;